1
Commit Graph

254 Commits

Author SHA1 Message Date
Dragos Tatulea
909fc8d107 net/mlx5e: SHAMPO, Add no-split ethtool counters for header/data split
When SHAMPO can't identify the protocol/header of a packet, it will
yield a packet that is not split - all the packet is in the data part.
Count this value in packets and bytes.

Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20240911201757.1505453-15-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-12 20:50:30 -07:00
David Arinzon
49f66e1216 net: ena: Add ENA Express metrics support
ENA Express metrics, called `ena_srd` are exposed to
customers via `ethtool`.
The metrics allow customers to check the configuration
(mode), tx/rx counters as well as resource utilization.

The documentation is also updated to provide a general
explanation about ENA Express as well as links for further
information about metrics and configurations.

Signed-off-by: Igor Chauskin <igorch@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://patch.msgid.link/20240909084704.13856-2-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-12 18:01:17 -07:00
Jakub Kicinski
474bb1aa45 mlx5-updates-2024-08-29
HW-Managed Flow Steering in mlx5 driver
 
 Yevgeny Kliteynik says:
 =======================
 
 1. Overview
 -----------
 
 ConnectX devices support packet matching, modification, and redirection.
 This functionality is referred as Flow Steering.
 To configure a steering rule, the rule is written to the device-owned
 memory. This memory is accessed and cached by the device when processing
 a packet.
 
 The first implementation of Flow Steering was done in FW, and it is
 referred in the mlx5 driver as Device-Managed Flow Steering (DMFS).
 Later we introduced SW-managed Flow Steering (SWS or SMFS), where the
 driver is writing directly to the device's configuration memory (ICM)
 through RC QP using RDMA operations (RDMA-read and RDAM-write), thus
 achieving higher rates of rule insertion/deletion.
 
 Now we introduce a new flow steering implementation: HW-Managed Flow
 Steering (HWS or HMFS).
 
 In this new approach, the driver is configuring steering rules directly
 to the HW using the WQs with a special new type of WQE. This way we can
 reach higher rule insertion/deletion rate with much lower CPU utilization
 compared to SWS.
 
 The key benefits of HWS as opposed to SWS:
 + HW manages the steering decision tree
    - HW calculates CRC for each entry
    - HW handles tree hash collisions
    - HW & FW manage objects refcount
 + HW keeps cache coherency:
    - HW provides tree access locking and synchronization
    - HW provides notification on completion
 + Insertion rate isn’t affected by background traffic
    - Dedicated HW components that handle insertion
 
 2. Performance
 --------------
 
 Measuring Connection Tracking with simple IPv4 flows w/o NAT, we
 are able to get ~5 times more flows offloaded per second using HWS.
 
 3. Configuration
 ----------------
 
 The enablement of HWS mode in eswitch manager is done using the same
 devlink param that is already used for switching between FW-managed
 steering and SW-managed steering modes:
 
   # devlink dev param set pci/<PCI_ID> name flow_steering_mode cmod runtime value hmfs
 
 4. Upstream Submission
 ----------------------
 
 HWS support consists of 3 main components:
 + Steering:
    - The lower layer that exposes HWS API to upper layers and implements
      all the management of flow steering building blocks
 + FS-Core
    - Implementation of fs_hws layer to enable fs_core to use HWS instead
      of FW or SW steering
    - Create HW steering action pools to utilize the ability of HWS to
      share steering actions among different rules
    - Add support for configuring HWS mode through devlink command,
      similar to configuring SWS mode
 + Connection Tracking
    - Implementation of CT support for HW steering
    - Hooks up the CT ops for the new steering mode and uses the HWS API
      to implement connection tracking.
 
 Because of the large number of patches, we need to perform the submission
 in several separate patch series. This series is the first submission that
 lays the ground work for the next submissions, where an actual user of HWS
 will be added.
 
 5. Patches in this series
 -------------------------
 
 This patch series contains implementation of the first bullet from above.
 The patches are:
 
 [patch 01/15] net/mlx5: Added missing mlx5_ifc definition for HW Steering
 [patch 02/15] net/mlx5: Added missing definitions in preparation for HW Steering
 [patch 03/15] net/mlx5: HWS, added actions handling
 [patch 04/15] net/mlx5: HWS, added tables handling
 [patch 05/15] net/mlx5: HWS, added rules handling
 [patch 06/15] net/mlx5: HWS, added definers handling
 [patch 07/15] net/mlx5: HWS, added matchers functionality
 [patch 08/15] net/mlx5: HWS, added FW commands handling
 [patch 09/15] net/mlx5: HWS, added modify header pattern and args handling
 [patch 10/15] net/mlx5: HWS, added vport handling
 [patch 11/15] net/mlx5: HWS, added memory management handling
 [patch 12/15] net/mlx5: HWS, added backward-compatible API handling
 [patch 13/15] net/mlx5: HWS, added debug dump and internal headers
 [patch 14/15] net/mlx5: HWS, added send engine and context handling
 [patch 15/15] net/mlx5: HWS, added API and enabled HWS support
 
 =======================
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Merge tag 'mlx5-updates-2024-09-02' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
mlx5-updates-2024-08-29

HW-Managed Flow Steering in mlx5 driver

Yevgeny Kliteynik says:
=======================

1. Overview
-----------

ConnectX devices support packet matching, modification, and redirection.
This functionality is referred as Flow Steering.
To configure a steering rule, the rule is written to the device-owned
memory. This memory is accessed and cached by the device when processing
a packet.

The first implementation of Flow Steering was done in FW, and it is
referred in the mlx5 driver as Device-Managed Flow Steering (DMFS).
Later we introduced SW-managed Flow Steering (SWS or SMFS), where the
driver is writing directly to the device's configuration memory (ICM)
through RC QP using RDMA operations (RDMA-read and RDAM-write), thus
achieving higher rates of rule insertion/deletion.

Now we introduce a new flow steering implementation: HW-Managed Flow
Steering (HWS or HMFS).

In this new approach, the driver is configuring steering rules directly
to the HW using the WQs with a special new type of WQE. This way we can
reach higher rule insertion/deletion rate with much lower CPU utilization
compared to SWS.

The key benefits of HWS as opposed to SWS:
+ HW manages the steering decision tree
   - HW calculates CRC for each entry
   - HW handles tree hash collisions
   - HW & FW manage objects refcount
+ HW keeps cache coherency:
   - HW provides tree access locking and synchronization
   - HW provides notification on completion
+ Insertion rate isn’t affected by background traffic
   - Dedicated HW components that handle insertion

2. Performance
--------------

Measuring Connection Tracking with simple IPv4 flows w/o NAT, we
are able to get ~5 times more flows offloaded per second using HWS.

3. Configuration
----------------

The enablement of HWS mode in eswitch manager is done using the same
devlink param that is already used for switching between FW-managed
steering and SW-managed steering modes:

  # devlink dev param set pci/<PCI_ID> name flow_steering_mode cmod runtime value hmfs

4. Upstream Submission
----------------------

HWS support consists of 3 main components:
+ Steering:
   - The lower layer that exposes HWS API to upper layers and implements
     all the management of flow steering building blocks
+ FS-Core
   - Implementation of fs_hws layer to enable fs_core to use HWS instead
     of FW or SW steering
   - Create HW steering action pools to utilize the ability of HWS to
     share steering actions among different rules
   - Add support for configuring HWS mode through devlink command,
     similar to configuring SWS mode
+ Connection Tracking
   - Implementation of CT support for HW steering
   - Hooks up the CT ops for the new steering mode and uses the HWS API
     to implement connection tracking.

Because of the large number of patches, we need to perform the submission
in several separate patch series. This series is the first submission that
lays the ground work for the next submissions, where an actual user of HWS
will be added.

5. Patches in this series
-------------------------

This patch series contains implementation of the first bullet from above.

=======================

* tag 'mlx5-updates-2024-09-02' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
  net/mlx5: HWS, added API and enabled HWS support
  net/mlx5: HWS, added send engine and context handling
  net/mlx5: HWS, added debug dump and internal headers
  net/mlx5: HWS, added backward-compatible API handling
  net/mlx5: HWS, added memory management handling
  net/mlx5: HWS, added vport handling
  net/mlx5: HWS, added modify header pattern and args handling
  net/mlx5: HWS, added FW commands handling
  net/mlx5: HWS, added matchers functionality
  net/mlx5: HWS, added definers handling
  net/mlx5: HWS, added rules handling
  net/mlx5: HWS, added tables handling
  net/mlx5: HWS, added actions handling
  net/mlx5: Added missing definitions in preparation for HW Steering
  net/mlx5: Added missing mlx5_ifc definition for HW Steering
====================

Link: https://patch.msgid.link/20240909181250.41596-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-10 20:01:15 -07:00
Lee Trager
0246388b9b eth: fbnic: Add devlink firmware version info
This adds support to show firmware version information for both stored and
running firmware versions. The version and commit is displayed separately
to aid monitoring tools which only care about the version.

Example output:
  # devlink dev info
  pci/0000:01:00.0:
    driver fbnic
    serial_number 88-25-08-ff-ff-01-50-92
    versions:
        running:
          fw 24.07.15-017
          fw.commit h999784ae9df0
          fw.bootloader 24.07.10-000
          fw.bootloader.commit hfef3ac835ce7
        stored:
          fw 24.07.24-002
          fw.commit hc9d14a68b3f2
          fw.bootloader 24.07.22-000
          fw.bootloader.commit h922f8493eb96
          fw.undi 01.00.03-000

Signed-off-by: Lee Trager <lee@trager.us>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20240905233820.1713043-1-lee@trager.us
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-10 12:00:19 +02:00
Yevgeny Kliteynik
510f9f61a1 net/mlx5: HWS, added API and enabled HWS support
Enabling HWS support in the mlx5 driver:
 - added HWS API header
 - added HWS files in the mlx5 driver makefile
 - added kconfig flag that enables HWS compilation

Reviewed-by: Erez Shitrit <erezsh@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2024-09-09 11:10:06 -07:00
Linus Torvalds
0ffb8a4c96 Devicetree updates for v6.11:
DT Bindings:
 - Convert and add a bunch of IBM FSI related bindings
 
 - Add a new schema listing legacy compatibles which will (probably)
   never be documented. This will silence various checks warning about
   them.
 
 - Add bindings for Sierra Wireless mangOH Green SPI IoT interface, new
   Arm 2024 Cortex and Neoverse CPUs, QCom sc8180x PDC, QCom SDX75 GPI
   DMA, imx8mp/imx8qxp fsl,irqsteer, and Renesas RZ/G2UL CRU and CSI-2
   blocks
 
 - Convert Spreadtrum sprd-timer, FSL cpm_qe, FSL fsl,ls-scfg-msi, FSL
   q(b)man-*, FSL qoriq-mc, and img,pdc-wdt bindings to DT schema
 
 - Drop obsolete stericsson,abx500.txt
 
 DT core:
 - Update dtc to upstream version v1.7.0-93-g1df7b047fe43
 
 - Add support to run DT validation on DTs with applied overlays
 
 - Add helper for creating boolean properties in dynamic nodes and use
   that for dynamic PCI nodes
 
 - Clean-up early parsing of '#{address,size}-cells'
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Merge tag 'devicetree-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 "DT Bindings:

   - Convert and add a bunch of IBM FSI related bindings

   - Add a new schema listing legacy compatibles which will (probably)
     never be documented. This will silence various checks warning about
     them.

   - Add bindings for Sierra Wireless mangOH Green SPI IoT interface,
     new Arm 2024 Cortex and Neoverse CPUs, QCom sc8180x PDC, QCom SDX75
     GPI DMA, imx8mp/imx8qxp fsl,irqsteer, and Renesas RZ/G2UL CRU and
     CSI-2 blocks

   - Convert Spreadtrum sprd-timer, FSL cpm_qe, FSL fsl,ls-scfg-msi, FSL
     q(b)man-*, FSL qoriq-mc, and img,pdc-wdt bindings to DT schema

   - Drop obsolete stericsson,abx500.txt

  DT core:

   - Update dtc to upstream version v1.7.0-93-g1df7b047fe43

   - Add support to run DT validation on DTs with applied overlays

   - Add helper for creating boolean properties in dynamic nodes and use
     that for dynamic PCI nodes

   - Clean-up early parsing of '#{address,size}-cells'"

* tag 'devicetree-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (39 commits)
  dt-bindings: timer: sprd-timer: convert to YAML
  dt-bindings: incomplete-devices: document devices without bindings
  dt-bindings: trivial-devices: document the Sierra Wireless mangOH Green SPI IoT interface
  scripts/dtc: Update to upstream version v1.7.0-93-g1df7b047fe43
  dt-bindings: soc: fsl: Add fsl,ls1028a-reset for reset syscon node
  dt-bindings: soc: fsl: cpm_qe: convert to yaml format
  dt-bindings: i2c: i2c-fsi: Convert to json-schema
  dt-bindings: fsi: Document the FSI Hub Controller
  dt-bindings: fsi: Document the AST2700 FSI controller
  dt-bindings: fsi: ast2600-fsi-master: Convert to json-schema
  dt-bindings: fsi: ibm,i2cr-fsi-master: Reference common FSI controller
  dt-bindings: fsi: Document the FSI controller common properties
  dt-bindings: fsi: Document the IBM SBEFIFO engine
  dt-bindings: fsi: p9-occ: Convert to json-schema
  dt-bindings: fsi: Document the IBM SCOM engine
  dt-bindings: fsi: fsi2spi: Document SPI controller child nodes
  dt-bindings: interrupt-controller: convert fsl,ls-scfg-msi to yaml
  dt-bindings: soc: fsl: Convert q(b)man-* to yaml format
  dt-bindings: misc: fsl,qoriq-mc: convert to yaml format
  dt-bindings: drop stale Anson Huang from maintainers
  ...
2024-07-17 18:07:31 -07:00
Frank Li
bfb921b2a9 dt-bindings: misc: fsl,qoriq-mc: convert to yaml format
Convert fsl,qoriq-mc from txt to yaml format.

Addition changes:
- Child node name allow 'ethernet'.
- Use 32bit address in example.
- Fixed missed ';' in example.
- Allow dma-coherent.
- Remove smmu, its part in example.
- Change child node name as 'ethernet'

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240617170934.813321-1-Frank.Li@nxp.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2024-07-09 07:40:17 -06:00
Tariq Toukan
e95c5b9e89 net/mlx5e: SHAMPO, Add header-only ethtool counters for header data split
Count the number of header-only packets and bytes from SHAMPO.

Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240603212219.1037656-12-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-06-05 20:20:46 -07:00
Dragos Tatulea
16f448d47a net/mlx5e: SHAMPO, Drop rx_gro_match_packets counter
After modifying rx_gro_packets to be more accurate, the
rx_gro_match_packets counter is redundant.

Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240603212219.1037656-11-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-06-05 20:20:46 -07:00
Dragos Tatulea
8f9eb8bb5c net/mlx5e: SHAMPO, Make GRO counters more precise
Don't count non GRO packets. A non GRO packet is a packet with
a GRO cb count of 1.

Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240603212219.1037656-10-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-06-05 20:20:46 -07:00
Rahul Rameshbabu
cd429012f0 net/mlx5e: Introduce timestamps statistic counter for Tx DMA layer
Count number of transmitted packets that were hardware timestamped at the
device DMA layer.

Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Link: https://lore.kernel.org/r/20240403212931.128541-4-rrameshbabu@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-05 22:24:09 -07:00
Rahul Rameshbabu
adda540180 net/mlx5e: Introduce lost_cqe statistic counter for PTP Tx port timestamping CQ
Track the number of times a CQE was expected to not be delivered on PTP Tx
port timestamping CQ. A CQE is expected to not be delivered if a certain
amount of time passes since the corresponding CQE containing the DMA
timestamp information has arrived. Increment the late_cqe counter when such
a CQE does manage to be delivered to the CQ.

Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20240403212931.128541-3-rrameshbabu@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-05 22:24:09 -07:00
Shannon Nelson
f7bf0ec1e7 ionic: update documentation for XDP support
Add information to our documentation for the XDP features
and related ethtool stats.

While we're here, we also add the missing timestamp stats.

Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240319163534.38796-1-shannon.nelson@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-03-20 21:05:15 -07:00
Takeru Hayasaka
a6d63bbf2c ice: Implement RSS settings for GTP using ethtool
Following the addition of new GTP RSS hash options to ethtool.h, this patch
implements the corresponding RSS settings for GTP packets in the Intel ice
driver. It enables users to configure RSS for GTP-U and GTP-C traffic over IPv4
and IPv6, utilizing the newly defined hash options.

The implementation covers the handling of gtpu(4|6), gtpc(4|6), gtpc(4|6)t,
gtpu(4|6)e, gtpu(4|6)u, and gtpu(4|6)d traffic, providing enhanced load
distribution for GTP traffic across multiple processing units.

Signed-off-by: Takeru Hayasaka <hayatake396@gmail.com>
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-03-06 09:31:49 -08:00
Shinas Rasheed
cb7dd71218 octeon_ep_vf: Add driver framework and device initialization
Add driver framework and device setup and initialization for Octeon
PCI Endpoint NIC VF.

Add implementation to load module, initialize, register network device,
cleanup and unload module.

Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-12 09:01:52 +00:00
Jinjian Song
2dac6381c3 net: wwan: t7xx: Add fastboot WWAN port
On early detection of wwan device in fastboot mode, driver sets
up CLDMA0 HW tx/rx queues for raw data transfer and then create
fastboot port to userspace.

Application can use this port to flash firmware and collect
core dump by fastboot protocol commands.
E.g., flash firmware through fastboot port:
 - "download:%08x": write data to memory with the download size.
 - "flash:%s": write the previously downloaded image to the named partition.
 - "reboot": reboot the device.

Link: https://android.googlesource.com/platform/system/core/+/refs/heads/main/fastboot/README.md

Signed-off-by: Jinjian Song <jinjian.song@fibocom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-09 12:07:48 +00:00
Jinjian Song
409c38d4f1 net: wwan: t7xx: Add sysfs attribute for device state machine
Add support for userspace to get/set the device mode, device's state
machine changes between (unknown/ready/reset/fastboot).

Get the device state mode:
 - 'cat /sys/bus/pci/devices/${bdf}/t7xx_mode'

Set the device state mode:
 - reset(cold reset): 'echo reset > /sys/bus/pci/devices/${bdf}/t7xx_mode'
 - fastboot: 'echo fastboot_switching > /sys/bus/pci/devices/${bdf}/t7xx_mode'
Reload driver to get the new device state after setting operation.

Signed-off-by: Jinjian Song <jinjian.song@fibocom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-09 12:07:48 +00:00
David Arinzon
bd765cc910 net: ena: Add more documentation for RX copybreak
This patch contains more details about the functionality
of RX copybreak.

Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-02-01 13:22:12 +01:00
Jakub Kicinski
63c7234f50 Revert "octeon_ep_vf: add octeon_ep_vf driver"
This reverts commit c902ba322c.
This reverts commit 50648968b3.
This reverts commit 77cef1e021.
This reverts commit 8f8d322bc4.
This reverts commit 6ca7b5486e.
This reverts commit db468f92c3.
This reverts commit 5f8c64c234.
This reverts commit ebdc193b2c.

The driver needs more work.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-04 13:02:43 -08:00
David Arinzon
d000574d02 net: ena: Move XDP code to its new files
XDP system has a very large footprint in the driver's overall code.
makes the whole driver's code much harder to read.

Moving XDP code to dedicated files.

This patch doesn't make any changes to the code itself and only
cut-pastes the code into ena_xdp.c and ena_xdp.h files so the change
is purely cosmetic.

Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-2-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-03 18:00:56 -08:00
Shinas Rasheed
ebdc193b2c octeon_ep_vf: Add driver framework and device initialization
Add driver framework and device setup and initialization for Octeon
PCI Endpoint NIC VF.

Add implementation to load module, initialize, register network device,
cleanup and unload module.

Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-01-02 14:19:53 +00:00
Paul M Stillwell Jr
d96f04e05f ice: add documentation for FW logging
Add documentation for FW logging in
Documentation/networking/device_drivers/ethernet/intel/ice.rst

Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2023-12-14 09:51:02 -08:00
Shinas Rasheed
068b2b649f octeon_ep: support OCTEON CN98 devices
Add PCI Endpoint NIC support for Octeon CN98 devices.
CN98 devices are part of Octeon 9 family products with
similar PCI NIC characteristics to CN93, already supported
driver.

Add CN98 card to the device id table, as well
as support differences in the register fields and
certain usage scenarios such as unload.

Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Link: https://lore.kernel.org/r/20231129045348.2538843-3-srasheed@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-11-30 23:17:04 -08:00
Jakub Kicinski
a214724554 wireless-next patches for v6.8
The first features pull request for v6.8. Not so big in number of
 commits but we removed quite a few ancient drivers: libertas 16-bit
 PCMCIA support, atmel, hostap, zd1201, orinoco, ray_cs, wl3501 and
 rndis_wlan.
 
 Major changes:
 
 cfg80211/mac80211
 
 * extend support for scanning while Multi-Link Operation (MLO) connected
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Merge tag 'wireless-next-2023-11-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Kalle Valo says:

====================
wireless-next patches for v6.8

The first features pull request for v6.8. Not so big in number of
commits but we removed quite a few ancient drivers: libertas 16-bit
PCMCIA support, atmel, hostap, zd1201, orinoco, ray_cs, wl3501 and
rndis_wlan.

Major changes:

cfg80211/mac80211
 - extend support for scanning while Multi-Link Operation (MLO) connected

* tag 'wireless-next-2023-11-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (68 commits)
  wifi: nl80211: Documentation update for NL80211_CMD_PORT_AUTHORIZED event
  wifi: mac80211: Extend support for scanning while MLO connected
  wifi: cfg80211: Extend support for scanning while MLO connected
  wifi: ieee80211: fix PV1 frame control field name
  rfkill: return ENOTTY on invalid ioctl
  MAINTAINERS: update iwlwifi maintainers
  wifi: rtw89: 8922a: read efuse content from physical map
  wifi: rtw89: 8922a: read efuse content via efuse map struct from logic map
  wifi: rtw89: 8852c: read RX gain offset from efuse for 6GHz channels
  wifi: rtw89: mac: add to access efuse for WiFi 7 chips
  wifi: rtw89: mac: use mac_gen pointer to access about efuse
  wifi: rtw89: 8922a: add 8922A basic chip info
  wifi: rtlwifi: drop unused const_amdpci_aspm
  wifi: mwifiex: mwifiex_process_sleep_confirm_resp(): remove unused priv variable
  wifi: rtw89: regd: update regulatory map to R65-R44
  wifi: rtw89: regd: handle policy of 6 GHz according to BIOS
  wifi: rtw89: acpi: process 6 GHz band policy from DSM
  wifi: rtlwifi: simplify rtl_action_proc() and rtl_tx_agg_start()
  wifi: rtw89: pci: update interrupt mitigation register for 8922AE
  wifi: rtw89: pci: correct interrupt mitigation register for 8852CE
  ...
====================

Link: https://lore.kernel.org/r/20231127180056.0B48DC433C8@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-11-27 18:43:28 -08:00
Shinas Rasheed
0807dc76f3 octeon_ep: support Octeon CN10K devices
Add PCI Endpoint NIC support for Octeon CN10K devices.
CN10K devices are part of Octeon 10 family products with
similar PCI NIC characteristics. These include:
- CN10KA
- CNF10KA
- CNF10KB
- CN10KB

Update supported device list in Documentation

Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Link: https://lore.kernel.org/r/20231117103817.2468176-1-srasheed@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-11-21 10:19:56 +01:00
Linus Torvalds
4c7a0c95ad Staging driver updates for 6.7-rc1
Here is the big set of staging driver updates for 6.7-rc1.  A bit bigger
 than 6.6 this time around, as it coincided with the Outreachy and
 mentorship application process, so we got a bunch of new developers
 sending in their first changes, which is nice to see.
 
 Also in here is a removal of the qlge ethernet driver, and the rtl8192u
 wireless driver.  Both of these were very old and no one was maintaining
 them, the wireless driver removal was due to no one using it anymore,
 and no hardware to be found, and is part of a larger effort to remove
 unused and old wifi drivers from the system.
 
 The qlge ethernet driver did have one user pop up after it was dropped,
 and we are working with the network mainainers to figure out what tree
 it will come back in from and who will be responsible for it, and if it
 really is being used or not.  Odds are it will show up in a network
 subsystem pull request after -rc1 is out, but we aren't sure yet.
 
 Other smaller changes in here are:
   - Lots of vc04_services work by Umang to clean up the mess created by
     the rpi developers long ago, bringing it almost into good enough
     shape to get out of staging, hopefully next major release, it's
     getting close.
   - rtl8192e variable cleanups and removal of unused code and structures
   - vme_user coding style cleanups
   - other small coding style cleanups to lots of the staging drivers
   - octeon typedef removals, and then last-minute revert when it was
     found to break the build in some configurations (it's a hard driver
     to build properly, none of the normal automated testing catches it.)
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big set of staging driver updates for 6.7-rc1. A bit
  bigger than 6.6 this time around, as it coincided with the Outreachy
  and mentorship application process, so we got a bunch of new
  developers sending in their first changes, which is nice to see.

  Also in here is a removal of the qlge ethernet driver, and the
  rtl8192u wireless driver. Both of these were very old and no one was
  maintaining them, the wireless driver removal was due to no one using
  it anymore, and no hardware to be found, and is part of a larger
  effort to remove unused and old wifi drivers from the system.

  The qlge ethernet driver did have one user pop up after it was
  dropped, and we are working with the network mainainers to figure out
  what tree it will come back in from and who will be responsible for
  it, and if it really is being used or not. Odds are it will show up in
  a network subsystem pull request after -rc1 is out, but we aren't sure
  yet.

  Other smaller changes in here are:

   - Lots of vc04_services work by Umang to clean up the mess created by
     the rpi developers long ago, bringing it almost into good enough
     shape to get out of staging, hopefully next major release, it's
     getting close.

   - rtl8192e variable cleanups and removal of unused code and
     structures

   - vme_user coding style cleanups

   - other small coding style cleanups to lots of the staging drivers

   - octeon typedef removals, and then last-minute revert when it was
     found to break the build in some configurations (it's a hard driver
     to build properly, none of the normal automated testing catches
     it.)

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (256 commits)
  Revert "staging: octeon: remove typedef in enum cvmx_spi_mode_t"
  Revert "staging: octeon: remove typedef in enum cvmx_helper_interface_mode_t"
  Revert "staging: octeon: remove typedef in enum cvmx_pow_wait_t"
  Revert "staging: octeon: remove typedef in struct cvmx_pko_lock_t"
  Revert "staging: octeon: remove typedef in enum cvmx_pko_status_t"
  Revert "staging: octeon: remove typedef in structs cvmx_pip_port_status_t and cvmx_pko_port_status_t"
  staging: vt6655: Type encoding info dropped from variable name "byRxRate"
  staging: vt6655: Type encoding info dropped from function name "CARDbUpdateTSF"
  staging: vt6655: Type encoding info dropped from function name "CARDvSetRSPINF"
  staging: vt6655: Type encoding info dropped from function name "CARDbyGetPktType"
  staging: vt6655: Type encoding info dropped from variable name "byPacketType"
  staging: vt6655: Type encoding info dropped from function name "CARDbSetPhyParameter"
  staging: vt6655: Type encoding info dropped from variable name "pbyRsvTime"
  staging: vt6655: Type encoding info dropped from variable name "pbyTxRate"
  staging: vt6655: Type encoding info dropped from function name "s_vCalculateOFDMRParameter"
  staging: vt6655: Type encoding info dropped from array name "cwRXBCNTSFOff"
  staging: fbtft: Convert to platform remove callback returning void
  staging: olpc_dcon: Remove I2C_CLASS_DDC support
  staging: vc04_services: use snprintf instead of sprintf
  staging: rtl8192e: Fix line break issue at priv->rx_buf[priv->rx_idx]
  ...
2023-11-03 15:31:04 -10:00
Linus Torvalds
1e0c505e13 asm-generic updates for v6.7
The ia64 architecture gets its well-earned retirement as planned,
 now that there is one last (mostly) working release that will
 be maintained as an LTS kernel.
 
 The architecture specific system call tables are updated for
 the added map_shadow_stack() syscall and to remove references
 to the long-gone sys_lookup_dcookie() syscall.
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Merge tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull ia64 removal and asm-generic updates from Arnd Bergmann:

 - The ia64 architecture gets its well-earned retirement as planned,
   now that there is one last (mostly) working release that will be
   maintained as an LTS kernel.

 - The architecture specific system call tables are updated for the
   added map_shadow_stack() syscall and to remove references to the
   long-gone sys_lookup_dcookie() syscall.

* tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  hexagon: Remove unusable symbols from the ptrace.h uapi
  asm-generic: Fix spelling of architecture
  arch: Reserve map_shadow_stack() syscall number for all architectures
  syscalls: Cleanup references to sys_lookup_dcookie()
  Documentation: Drop or replace remaining mentions of IA64
  lib/raid6: Drop IA64 support
  Documentation: Drop IA64 from feature descriptions
  kernel: Drop IA64 support from sig_fault handlers
  arch: Remove Itanium (IA-64) architecture
2023-11-01 15:28:33 -10:00
Arnd Bergmann
6b9dbaff83 wifi: remove orphaned ray_cs driver
Aviator/Raytheon is an early PCMCIA driver, apparently predating 802.11b
and only supporting wireless extensions.

The driver has been orphaned since 2010 and only seen cosmetic updates
long before than. Jean Tourrilhes pointed out in a 2005 changelog that
he tested a change on actual hardware, which was apparently already
noteworthy back then.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
2023-10-30 19:30:30 +02:00
Benjamin Poirier
875be09092 staging: qlge: Retire the driver
No significant improvements have been done to this driver since commit
a7c3ddf29a ("staging: qlge: clean up debugging code in the QL_ALL_DUMP
ifdef land") in January 2021. The driver should not stay in staging
forever. Since it has been abandoned by the vendor and no one has stepped
up to maintain it, delete it.

If some users manifest themselves, the driver will be restored to
drivers/net/ as suggested in the linked message.

Link: https://lore.kernel.org/netdev/20231019074237.7ef255d7@kernel.org/
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Cc: Manish Chopra <manishc@marvell.com>
Cc: Coiby Xu <coiby.xu@gmail.com>
Signed-off-by: Benjamin Poirier <benjamin.poirier@gmail.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20231020124457.312449-3-benjamin.poirier@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-21 11:52:54 +02:00
Lukas Bulwahn
58cd34772a net/mlx5: fix config name in Kconfig parameter documentation
Commit a12ba19269 ("net/mlx5: Update Kconfig parameter documentation")
adds documentation on Kconfig options for the mlx5 driver. It refers to the
config MLX5_EN_MACSEC for MACSec offloading, but the config is actually
called MLX5_MACSEC.

Fix the reference to the right config name in the documentation.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2023-10-14 10:16:31 -07:00
Greg Kroah-Hartman
00f3696f75 net: appletalk: remove cops support
The COPS Appletalk support is very old, never said to actually work
properly, and the firmware code for the devices are under a very suspect
license.  Remove it all to clear up the license issue, if it is still
needed and actually used by anyone, we can add it back later once the
license is cleared up.

Reported-by: Prarit Bhargava <prarit@redhat.com>
Cc: jschlst@samba.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Christoph Hellwig <hch@lst.de>
Acked-by: Prarit Bhargava <prarit@redhat.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20230927090029.44704-2-gregkh@linuxfoundation.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-04 11:49:20 -07:00
Joshua Hay
a251eee621 idpf: add SRIOV support and other ndo_ops
Add support for SRIOV: send the requested number of VFs
to the device Control Plane, via the virtchnl message
and then enable the VFs using 'pci_enable_sriov'.

Add other ndo ops supported by the driver such as features_check,
set_rx_mode, validate_addr, set_mac_address, change_mtu, get_stats64,
set_features, and tx_timeout. Initialize the statistics task which
requests the queue related statistics to the CP. Add loopback
and promiscuous mode support and the respective virtchnl messages.

Finally, add documentation and build support for the driver.

Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Co-developed-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2023-09-13 14:59:24 -07:00
Ard Biesheuvel
944834901a Documentation: Drop or replace remaining mentions of IA64
Drop or update mentions of IA64, as appropriate.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2023-09-11 08:13:18 +00:00
Linus Torvalds
ec0e2dc810 VFIO updates for v6.6-rc1
- VFIO direct character device (cdev) interface support.  This extracts
    the vfio device fd from the container and group model, and is intended
    to be the native uAPI for use with IOMMUFD. (Yi Liu)
 
  - Enhancements to the PCI hot reset interface in support of cdev usage.
    (Yi Liu)
 
  - Fix a potential race between registering and unregistering vfio files
    in the kvm-vfio interface and extend use of a lock to avoid extra
    drop and acquires. (Dmitry Torokhov)
 
  - A new vfio-pci variant driver for the AMD/Pensando Distributed Services
    Card (PDS) Ethernet device, supporting live migration. (Brett Creeley)
 
  - Cleanups to remove redundant owner setup in cdx and fsl bus drivers,
    and simplify driver init/exit in fsl code. (Li Zetao)
 
  - Fix uninitialized hole in data structure and pad capability structures
    for alignment. (Stefan Hajnoczi)
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Merge tag 'vfio-v6.6-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - VFIO direct character device (cdev) interface support. This extracts
   the vfio device fd from the container and group model, and is
   intended to be the native uAPI for use with IOMMUFD (Yi Liu)

 - Enhancements to the PCI hot reset interface in support of cdev usage
   (Yi Liu)

 - Fix a potential race between registering and unregistering vfio files
   in the kvm-vfio interface and extend use of a lock to avoid extra
   drop and acquires (Dmitry Torokhov)

 - A new vfio-pci variant driver for the AMD/Pensando Distributed
   Services Card (PDS) Ethernet device, supporting live migration (Brett
   Creeley)

 - Cleanups to remove redundant owner setup in cdx and fsl bus drivers,
   and simplify driver init/exit in fsl code (Li Zetao)

 - Fix uninitialized hole in data structure and pad capability
   structures for alignment (Stefan Hajnoczi)

* tag 'vfio-v6.6-rc1' of https://github.com/awilliam/linux-vfio: (53 commits)
  vfio/pds: Send type for SUSPEND_STATUS command
  vfio/pds: fix return value in pds_vfio_get_lm_file()
  pds_core: Fix function header descriptions
  vfio: align capability structures
  vfio/type1: fix cap_migration information leak
  vfio/fsl-mc: Use module_fsl_mc_driver macro to simplify the code
  vfio/cdx: Remove redundant initialization owner in vfio_cdx_driver
  vfio/pds: Add Kconfig and documentation
  vfio/pds: Add support for firmware recovery
  vfio/pds: Add support for dirty page tracking
  vfio/pds: Add VFIO live migration support
  vfio/pds: register with the pds_core PF
  pds_core: Require callers of register/unregister to pass PF drvdata
  vfio/pds: Initial support for pds VFIO driver
  vfio: Commonize combine_ranges for use in other VFIO drivers
  kvm/vfio: avoid bouncing the mutex when adding and deleting groups
  kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add()
  docs: vfio: Add vfio device cdev description
  vfio: Compile vfio_group infrastructure optionally
  vfio: Move the IOMMU_CAP_CACHE_COHERENCY check in __vfio_register_dev()
  ...
2023-08-30 20:36:01 -07:00
Dima Chumak
b691b1116e net/mlx5: Implement devlink port function cmds to control ipsec_packet
Implement devlink port function commands to enable / disable IPsec
packet offloads. This is used to control the IPsec capability of the
device.

When ipsec_offload is enabled for a VF, it prevents adding IPsec packet
offloads on the PF, because the two cannot be active simultaneously due
to HW constraints. Conversely, if there are any active IPsec packet
offloads on the PF, it's not allowed to enable ipsec_packet on a VF,
until PF IPsec offloads are cleared.

Signed-off-by: Dima Chumak <dchumak@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20230825062836.103744-9-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-27 17:08:45 -07:00
Dima Chumak
06bab69658 net/mlx5: Implement devlink port function cmds to control ipsec_crypto
Implement devlink port function commands to enable / disable IPsec
crypto offloads.  This is used to control the IPsec capability of the
device.

When ipsec_crypto is enabled for a VF, it prevents adding IPsec crypto
offloads on the PF, because the two cannot be active simultaneously due
to HW constraints. Conversely, if there are any active IPsec crypto
offloads on the PF, it's not allowed to enable ipsec_crypto on a VF,
until PF IPsec offloads are cleared.

Signed-off-by: Dima Chumak <dchumak@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20230825062836.103744-8-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-27 17:08:45 -07:00
Rahul Rameshbabu
6c8f7c4344 net/mlx5: Update dead links in Kconfig documentation
Point to NVIDIA documentation for device specific information now that the
Mellanox documentation site is deprecated. Refer to kernel documentation
sources for generic information not specific to mlx5 devices.

Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2023-08-21 10:55:16 -07:00
Adham Faris
f98e51585f net/mlx5e: aRFS, Introduce ethtool stats
Improve aRFS observability by adding new set of counters. Each Rx
ring will have this set of counters listed below.
These counters are exposed through ethtool -S.

1) arfs_add: number of times a new rule has been created.
2) arfs_request_in: number of times a rule  was requested to move from
   its current Rx ring to a new Rx ring (incremented on the destination
   Rx ring).
3) arfs_request_out: number of times a rule  was requested to move out
   from its current Rx ring (incremented on source/current Rx ring).
4) arfs_expired: number of times a rule has been expired by the
   kernel and removed from HW.
5) arfs_err: number of times a rule creation or modification has
   failed.

This patch removes rx[i]_xsk_arfs_err counter and its documentation in
mlx5/counters.rst since aRFS activity does not occur in XSK RQ's.

Signed-off-by: Adham Faris <afaris@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
2023-08-21 10:55:15 -07:00
Brett Creeley
fc9da66103 vfio/pds: Add Kconfig and documentation
Add Kconfig entries and pds-vfio-pci.rst. Also, add an entry in the
MAINTAINERS file for this new driver.

It's not clear where documentation for vendor specific VFIO
drivers should live, so just re-use the current amd
ethernet location.

Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230807205755.29579-9-brett.creeley@amd.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2023-08-16 10:54:54 -06:00
Rahul Rameshbabu
3178308ad4 net/mlx5e: Make tx_port_ts logic resilient to out-of-order CQEs
Use a map structure for associating CQEs containing port timestamping
information with the appropriate skb. Track order of WQEs submitted using a
FIFO. Check if the corresponding port timestamping CQEs from the lookup
values in the FIFO are considered dropped due to time elapsed. Return the
lookup value to a freelist after consuming the skb. Reuse the freed lookup
in future WQE submission iterations.

The map structure uses an integer identifier for the key and returns an skb
corresponding to that identifier. Embed the integer identifier in the WQE
submitted to the WQ for the transmit path when the SQ is a PTP (port
timestamping) SQ. The embedded identifier can then be queried using a field
in the CQE of the corresponding port timestamping CQ. In the port
timestamping napi_poll context, the identifier is queried from the CQE
polled from CQ and used to lookup the corresponding skb from the WQE submit
path. The skb reference is removed from map and then embedded with the port
HW timestamp information from the CQE and eventually consumed.

The metadata freelist FIFO is an array containing integer identifiers that
can be pushed and popped in the FIFO. The purpose of this structure is
bookkeeping what identifier values can safely be used in a subsequent WQE
submission and should not contain identifiers that have still not been
reaped by processing a corresponding CQE completion on the port
timestamping CQ.

The ts_cqe_pending_list structure is a combination of an array and linked
list. The array is pre-populated with the nodes that will be added and
removed from the head of the linked list. Each node contains the unique
identifier value associated with the values submitted in the WQEs and
retrieved in the port timestamping CQEs. When a WQE is submitted, the node
in the array corresponding to the identifier popped from the metadata
freelist is added to the end of the CQE pending list and is marked as
"in-use". The node is removed from the linked list under two conditions.
The first condition is that the corresponding port timestamping CQE is
polled in the PTP napi_poll context. The second condition is that more than
a second has elapsed since the DMA timestamp value corresponding to the WQE
submission. When the first condition occurs, the "in-use" bit in the linked
list node is cleared, and the resources corresponding to the WQE submission
are then released. The second condition, however, indicates that the port
timestamping CQE will likely never be delivered. It's not impossible for
the device to post a CQE after an infinite amount of time though highly
improbable. In order to be resilient to this improbable case, resources
related to the corresponding WQE submission are still kept, the identifier
value is not returned to the freelist, and the "in-use" bit is cleared on
the node to indicate that it's no longer part of the linked list of "likely
to be delivered" port timestamping CQE identifiers. A count for the number
of port timestamping CQEs considered highly likely to never be delivered by
the device is maintained. This count gets decremented in the unlikely event
a port timestamping CQE considered unlikely to ever be delivered is polled
in the PTP napi_poll context.

Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2023-08-14 14:40:20 -07:00
Rahul Rameshbabu
b608dd670b net/mlx5: Consolidate devlink documentation in devlink/mlx5.rst
De-duplicate documentation by removing mellanox/mlx5/devlink.rst. Instead,
only use the generic devlink documentation directory to document mlx5
devlink parameters. Avoid providing general devlink tool usage information
in mlx5-specific documentation.

Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2023-08-14 14:40:20 -07:00
Rushil Gupta
5a3f8d1231 gve: update gve.rst
Add a note about QPL and RDA mode

Signed-off-by: Rushil Gupta <rushilg@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Praveen Kaligineedi <pkaligineedi@google.com>
Signed-off-by: Bailey Forrest <bcf@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-06 08:34:37 +01:00
Hariprasad Kelam
6f71051ffb docs: octeontx2: extend documentation for Round Robin scheduling
Add example tc-htb commands for Round robin scheduling

Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-07-21 09:55:54 +01:00
Linus Torvalds
6843306689 Including fixes from bluetooth, bpf and wireguard.
Current release - regressions:
 
  - nvme-tcp: fix comma-related oops after sendpage changes
 
 Current release - new code bugs:
 
  - ptp: make max_phase_adjustment sysfs device attribute invisible
    when not supported
 
 Previous releases - regressions:
 
  - sctp: fix potential deadlock on &net->sctp.addr_wq_lock
 
  - mptcp:
    - ensure subflow is unhashed before cleaning the backlog
    - do not rely on implicit state check in mptcp_listen()
 
 Previous releases - always broken:
 
  - net: fix net_dev_start_xmit trace event vs skb_transport_offset()
 
  - Bluetooth:
    - fix use-bdaddr-property quirk
    - L2CAP: fix multiple UaFs
    - ISO: use hci_sync for setting CIG parameters
    - hci_event: fix Set CIG Parameters error status handling
    - hci_event: fix parsing of CIS Established Event
    - MGMT: fix marking SCAN_RSP as not connectable
 
  - wireguard: queuing: use saner cpu selection wrapping
 
  - sched: act_ipt: various bug fixes for iptables <> TC interactions
 
  - sched: act_pedit: add size check for TCA_PEDIT_PARMS_EX
 
  - dsa: fixes for receiving PTP packets with 8021q and sja1105 tagging
 
  - eth: sfc: fix null-deref in devlink port without MAE access
 
  - eth: ibmvnic: do not reset dql stats on NON_FATAL err
 
 Misc:
 
  - xsk: honor SO_BINDTODEVICE on bind
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bluetooth, bpf and wireguard.

  Current release - regressions:

   - nvme-tcp: fix comma-related oops after sendpage changes

  Current release - new code bugs:

   - ptp: make max_phase_adjustment sysfs device attribute invisible
     when not supported

  Previous releases - regressions:

   - sctp: fix potential deadlock on &net->sctp.addr_wq_lock

   - mptcp:
      - ensure subflow is unhashed before cleaning the backlog
      - do not rely on implicit state check in mptcp_listen()

  Previous releases - always broken:

   - net: fix net_dev_start_xmit trace event vs skb_transport_offset()

   - Bluetooth:
      - fix use-bdaddr-property quirk
      - L2CAP: fix multiple UaFs
      - ISO: use hci_sync for setting CIG parameters
      - hci_event: fix Set CIG Parameters error status handling
      - hci_event: fix parsing of CIS Established Event
      - MGMT: fix marking SCAN_RSP as not connectable

   - wireguard: queuing: use saner cpu selection wrapping

   - sched: act_ipt: various bug fixes for iptables <> TC interactions

   - sched: act_pedit: add size check for TCA_PEDIT_PARMS_EX

   - dsa: fixes for receiving PTP packets with 8021q and sja1105 tagging

   - eth: sfc: fix null-deref in devlink port without MAE access

   - eth: ibmvnic: do not reset dql stats on NON_FATAL err

  Misc:

   - xsk: honor SO_BINDTODEVICE on bind"

* tag 'net-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (70 commits)
  nfp: clean mc addresses in application firmware when closing port
  selftests: mptcp: pm_nl_ctl: fix 32-bit support
  selftests: mptcp: depend on SYN_COOKIES
  selftests: mptcp: userspace_pm: report errors with 'remove' tests
  selftests: mptcp: userspace_pm: use correct server port
  selftests: mptcp: sockopt: return error if wrong mark
  selftests: mptcp: sockopt: use 'iptables-legacy' if available
  selftests: mptcp: connect: fail if nft supposed to work
  mptcp: do not rely on implicit state check in mptcp_listen()
  mptcp: ensure subflow is unhashed before cleaning the backlog
  s390/qeth: Fix vipa deletion
  octeontx-af: fix hardware timestamp configuration
  net: dsa: sja1105: always enable the send_meta options
  net: dsa: tag_sja1105: fix MAC DA patching from meta frames
  net: Replace strlcpy with strscpy
  pptp: Fix fib lookup calls.
  mlxsw: spectrum_router: Fix an IS_ERR() vs NULL check
  net/sched: act_pedit: Add size check for TCA_PEDIT_PARMS_EX
  xsk: Honor SO_BINDTODEVICE on bind
  ptp: Make max_phase_adjustment sysfs device attribute invisible when not supported
  ...
2023-07-05 15:44:45 -07:00
Linus Torvalds
a8d70602b1 virtio: features, fixes, cleanups
resume support in vdpa/solidrun
 structure size optimizations in virtio_pci
 new pds_vdpa driver
 immediate initialization mechanism for vdpa/ifcvf
 interrupt bypass for vdpa/mlx5
 multiple worker support for vhost
 viirtio net in Intel F2000X-PL support for vdpa/ifcvf
 
 fixes, cleanups all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:

 - resume support in vdpa/solidrun

 - structure size optimizations in virtio_pci

 - new pds_vdpa driver

 - immediate initialization mechanism for vdpa/ifcvf

 - interrupt bypass for vdpa/mlx5

 - multiple worker support for vhost

 - viirtio net in Intel F2000X-PL support for vdpa/ifcvf

 - fixes, cleanups all over the place

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (48 commits)
  vhost: Make parameter name match of vhost_get_vq_desc()
  vduse: fix NULL pointer dereference
  vhost: Allow worker switching while work is queueing
  vhost_scsi: add support for worker ioctls
  vhost: allow userspace to create workers
  vhost: replace single worker pointer with xarray
  vhost: add helper to parse userspace vring state/file
  vhost: remove vhost_work_queue
  vhost_scsi: flush IO vqs then send TMF rsp
  vhost_scsi: convert to vhost_vq_work_queue
  vhost_scsi: make SCSI cmd completion per vq
  vhost_sock: convert to vhost_vq_work_queue
  vhost: convert poll work to be vq based
  vhost: take worker or vq for flushing
  vhost: take worker or vq instead of dev for queueing
  vhost, vhost_net: add helper to check if vq has work
  vhost: add vhost_worker pointer to vhost_virtqueue
  vhost: dynamically allocate vhost_worker
  vhost: create worker at end of vhost_dev_set_owner
  virtio_bt: call scheduler when we free unused buffs
  ...
2023-07-03 15:38:26 -07:00
Subash Abhinov Kasiviswanathan
26b32974ad docs: networking: Update codeaurora references for rmnet
source.codeaurora.org is no longer accessible and so the reference link
in the documentation is not useful. Use iproute2 instead as it has a
rmnet module for configuration.

Fixes: ceed73a2cf ("drivers: net: ethernet: qualcomm: rmnet: Initial implementation")
Signed-off-by: Sean Tranchetti <quic_stranche@quicinc.com>
Signed-off-by: Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-07-01 13:17:56 +01:00
Shannon Nelson
9a8864d2a8 pds_vdpa: pds_vdps.rst and Kconfig
Add the documentation and Kconfig entry for pds_vdpa driver.

Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230519215632.12343-12-shannon.nelson@amd.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-06-27 10:47:09 -04:00
Shay Drory
25c24801d7 net/mlx5: Fix SFs kernel documentation error
Indent SFs probe code example in order to fix the below error:

Documentation/networking/device_drivers/ethernet/mellanox/mlx5/switchdev.rst:57: ERROR: Unexpected indentation.
Documentation/networking/device_drivers/ethernet/mellanox/mlx5/switchdev.rst:61: ERROR: Unexpected indentation.

Fixes: e71383fb9c ("net/mlx5: Light probe local SFs")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Automatic Verification <verifier@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
2023-06-23 12:27:32 -07:00
David Arinzon
5dfbbaa208 net: ena: Fix rst format issues in readme
This patch fixes a warning in the ena documentation
file identified by the kernel automatic tools.
The patch also adds a missing newline between
sections.

Signed-off-by: David Arinzon <darinzon@amazon.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202306171804.U7E92zoE-lkp@intel.com/
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230620133544.32584-1-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-06-21 22:43:13 -07:00
Or Har-Toov
c8013a1f71 net/mlx5e: Add local loopback counter to vport stats
Add counter for number of unicast, multicast and broadcast packets/
octets that were loopback.

Signed-off-by: Or Har-Toov <ohartoov@nvidia.com>
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2023-06-16 12:02:08 -07:00